/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.gpiotest2;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;


import com.android.gpiotest2.R;


public class GpioTest extends Activity{

    private static final String TAG = "GpioTest";

    private TextView nResault;
    private Button nGPIO_BTN;
    private Spinner nGPIO_SPI;
    private GpioPort mGpioPort;

    Handler mHandler = new Handler();
    private RadioButton nGPIO_OUT,nGPIO_IN;
    private RadioButton nGPIO_L,nGPIO_H;
    static int gpio_int = 0;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mGpioPort =new  GpioPort();
        mGpioPort.gpio_init();

        setContentView(R.layout.gpio_test);
        nResault = (TextView)findViewById(R.id.GPIO_Resault_Text);
        nGPIO_BTN = (Button)findViewById(R.id.GPIO_btn);
        nGPIO_SPI = (Spinner)findViewById(R.id.GPIO_SPR);
        nGPIO_IN = (RadioButton)findViewById(R.id.GPIO_Direction_In);
        nGPIO_OUT = (RadioButton)findViewById(R.id.GPIO_Direction_Out);
        nGPIO_H = (RadioButton)findViewById(R.id.GPIO_Data_High);
        nGPIO_L = (RadioButton)findViewById(R.id.GPIO_Data_Low);
        RadioGroup nGPIO_DATA_RADG = (RadioGroup) findViewById(R.id.gpio_dir);
        nGPIO_DATA_RADG.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup radioGroup, int i) {
                if(i == R.id.GPIO_Direction_In){
                    findViewById(R.id.gpio_data).setVisibility(View.GONE);
                }else if(i == R.id.GPIO_Direction_Out){
                    findViewById(R.id.gpio_data).setVisibility(View.VISIBLE);
                }
            }
        });


        nGPIO_BTN.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mGpioPort.set_mode(gpio_int,0);

                if(nGPIO_IN.isChecked()){
                    mGpioPort.set_dir(gpio_int,0);

                    nResault.setText("GPIO"+gpio_int+"输入电平"+mGpioPort.get_datain(gpio_int));
                }else{
                    mGpioPort.set_dir(gpio_int,1);
                    if(nGPIO_H.isChecked()){
                        mGpioPort.set_data(gpio_int,1);
                    }else{
                        mGpioPort.set_data(gpio_int,0);
                    }
                    nResault.setText("GPIO"+gpio_int+"输出电平"+mGpioPort.get_data(gpio_int));
                }


            }
        });
        String [] gpios= new String[140];
        for(int i = 0 ;i<140;i++){
            gpios[i] = "GPIO"+i;
        }
        ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,android.R.layout.simple_spinner_item, gpios);
        nGPIO_SPI .setAdapter(adapter);
        nGPIO_SPI.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view,
                                       int pos, long id) {

                gpio_int = pos;
            }
            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // Another interface callback
            }
        });




    }
  



    @Override
    public void onResume() {
        super.onResume();
     
    }

    public void setGpioOutput(int gpio, int value)
    {
        if (mGpioPort != null) {
		    mGpioPort.set_mode(gpio,0);
		    mGpioPort.set_dir(gpio,1);
		    mGpioPort.set_data(gpio,value);
		}

    }


    @Override
    public void onPause() {

        super.onPause();
    
    }

    @Override
    public void onDestroy() {
        if (mGpioPort != null) {
            mGpioPort.gpio_deinit();
            mGpioPort = null;
        }
        super.onDestroy();
    }
}


